| 一种新型多层PCB多频段电场测量传感天线 |
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| 引用本文： | 韩子卫,郭宏福.一种新型多层PCB多频段电场测量传感天线[J].电波科学学报,2019,34(4):536-543. |
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| 作者姓名： | 韩子卫 郭宏福 |
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| 作者单位： | 西安电子科技大学,西安,710071;西安电子科技大学,西安,710071 |
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| 摘 要： | 移动通信基站电磁辐射信号的监测是移动通信正常工作的重要保证，也是保障电磁环境安全的必要手段.文章针对监测设备核心部件——电场测量传感天线的需求，设计了一种新型的介质埋藏式多频段振子天线.利用多层印制电路板（printed circuit board，PCB）布板技术，将三个串馈微带印刷振子天线埋藏在介质基板中，可有效减小天线尺寸.通过仿真和优化实现电场测量传感天线的设计，并制作了天线实物，同时进行了参数测量，结果表明:天线工作的频段基本覆盖2G、3G、4G网络的工作频率范围，分别为0.850~0.950 GHz，1.670~2.740 GHz，方向图全向性好，大小为72.0 mm×48.0 mm×6.0 mm，可以达到测量移动通信基站电磁辐射的电场测量传感天线的专用性、多频段、灵敏度、各向同性和便携性要求.可以使用本文设计的电场测量传感天线来测量基站周围空间电场强度.
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| 关 键 词： | 移动通信基站 电磁辐射 电场测量传感天线 多层PCB布板技术 串馈微带印刷振子 |
| 收稿时间： | 2018-08-31 |
A novel multi-band sensing antenna for electric field measurement with multi-layer PCB layout |
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| Affiliation: | Xidian University, Xi'an 710071, China |
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| Abstract: | Monitoring electromagnetic radiation from mobile communication base station is an important guarantee to ensure the quality of the mobile communication services and also a necessary means to ensure the safety of electromagnetic environment. Focusing on the requirements of sensing antenna for electric field measurement, the core components of monitoring equipment, this thesis has designed a novel dielectric embedded multi-band microstrip dipole antenna; the series fed antenna is embedded in the dielectric substrate to reduce the antenna size effectively by the multi-layer PCB layout technology. The antenna is designed by simulation and optimization and the antenna is manufactured to measure the parameters. The results show that the working band basicly covers 2G, 3G, and 4G spectrums which ranges between 0.850 GHz-0.950 GHz and between 1.670 GHz-2.740 GHz, the radiation pattern has good omnidirectionality and the size is 72.0 mm×48.0 mm×6.0 mm. It can meet the requirements of specificity, multi-band, sensitivity, isotropy and portability of sensing antenna for measuring electromagnetic radiation of mobile communication base station. The sensing antenna for electric field measurement can be used to measure the electric field intensity around the base station. |
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